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Spinal stenosis

Spinal stenosis is the narrowing of the spinal canal. It can be caused by several problems, including overgrowth of bone or other tissue or by a herniated disc. When the spinal canal gets too narrow, it can squeeze and irritate your spinal cord or nearby nerve roots.

Spinal stenosis can cause pain, numbness, or weakness in your legs, buttocks, arms, or neck, depending on what area of your spine is affected.